Austin King, 22, has been missing since he failed to return from a week-long solo excursion to summit Eagle Peak, the highest point in Yellowstone.

Officials at Yellowstone National Park have launched an urgent appeal after one of their employees disappeared while hiking a mountain in stormy weather in a remote section of the park. According to a news release from the National Park Service,

The search is on for Austin King, a 22-year-old concession worker at Yellowstone, who reached the top of the park's highest peak last Tuesday and

Officials say 22-year-old Austin King was last heard from on Tuesday, Sept. 17 when he called his friends and family from the summit of Eagle Peak in Wyoming.

Yellowstone concession worker, Austin King, was reported missing last week after he didn't return from his hike in the park. King planned to complet